Custom Tubing adapter STL file ⌀ 103–88 mm (Length: 80 mm) 📦#6587

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Straight tube coupler ⌀103 mm to ⌀88 mm in STL format. Length of this junction is 80 mm. The larger-diameter tube has a thickness of 2 mm and a sleeve length of 25 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 35 mm. The axes of the tubes are off-center by 9.4 mm. The ends have no fillet.
Generation date: 2026-01-15
3D Model Tubing adapter STL file ⌀ 103–88 mm (Length: 80 mm)

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  • inline-tube-adapter-lenA25mm-d_model6587-nb0_dd{id}.stl : 2.3 Mo
STL Mesh quality : Linear deflection 0.05 Angular deflection 0.05
No compliance warranty No compliance warranty
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Values for this model

This model was generated by the Inline tube adapter template, with the following values:
Parameter Value
#1 side A length 25 mm (≃0.98 in)
#2 side A outer diameter 103 mm (≃4 1/16 in)
#3 side A thickness 2 mm (≃0.08 in)
#4 side B length 35 mm (≃1 3/8 in)
#5 side B outer diameter 88 mm (≃3.46 in)
#6 side B thickness 4 mm (≃0.16 in)
#7 transition length 20 mm (≃0.79 in)
#8 axis offset 9.4 mm (≃3/8 in)
#9 ends fillet no fillet
Metadata Value
inner diameter (side A) 99 mm (≃3.90 in)
inner diameter (side B) 80 mm (≃3.15 in)
total length 80 mm (≃3.15 in)
illustration of the parameters
Parameter overview

Labels are used in the naming of the downloaded 3D files.

Parameter Label
#1 side A length lenA
#2 side A outer diameter diA
#3 side A thickness thA
#4 side B length lenB
#5 side B outer diameter diB
#6 side B thickness thB
#7 transition length tra
#8 axis offset ofs
#9 ends fillet fil

Related 3D models

To search for a model based on your own parameters, go to the template page Inline tube adapter 

Inline tube coupler ⌀104 mm to ⌀75 mm in STL 3D format. Final length of this junction is 75 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 30 mm. The two axes of the tubes are offset by 10.9 mm. The ends are not rounded.
Parameter Value Unit
side A length 25 mm
side A outer diameter 104 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 75 mm
side B thickness 3 mm
transition length 20 mm
axis offset 10.9 mm
ends fillet no fillet
Straight tube fitting ⌀85 mm to ⌀70 mm in STL 3D format. Length of this sleeve is 80 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 30 mm as well. The two axes of the tubes are off-center by 7.4 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 85 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 70 mm
side B thickness 3 mm
transition length 20 mm
axis offset 7.4 mm
ends fillet no fillet
Straight tube adapter ⌀80 mm to ⌀70 mm in STL format. Total length of this fitting is 80 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 30 mm as well. The two axes of the tubes are off-center by 4.9 mm. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 80 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 70 mm
side B thickness 3 mm
transition length 20 mm
axis offset 4.9 mm
ends fillet no fillet
Straight tube adapter ⌀107 mm to ⌀89 mm in STL format. Total length of this reducer is 75 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 30 mm. The axes of the tubes are offset by 8.9 mm. The ends have no fillet.
Parameter Value Unit
side A length 25 mm
side A outer diameter 107 mm
side A thickness 4 mm
side B length 30 mm
side B outer diameter 89 mm
side B thickness 4 mm
transition length 20 mm
axis offset 8.9 mm
ends fillet no fillet
Inline tubing adapter ⌀106 mm to ⌀89 mm in STL 3D format. Total length of this connector is 75 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 30 mm. The axes of the tubes are off-center by 8.4 mm. The ends have no fillet.
Parameter Value Unit
side A length 25 mm
side A outer diameter 106 mm
side A thickness 4 mm
side B length 30 mm
side B outer diameter 89 mm
side B thickness 4 mm
transition length 20 mm
axis offset 8.4 mm
ends fillet no fillet
Tube reducer ⌀106 mm to ⌀89 mm in STL 3D format. Final length of this junction is 80 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 30 mm. The axes of the tubes are off-center by 8.4 mm. The ends are raw.
Parameter Value Unit
side A length 25 mm
side A outer diameter 106 mm
side A thickness 4 mm
side B length 30 mm
side B outer diameter 89 mm
side B thickness 4 mm
transition length 25 mm
axis offset 8.4 mm
ends fillet no fillet
Straight tubing adapter ⌀104 mm to ⌀89 mm in STL format. Length of this sleeve is 75 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 30 mm. The two axes of the tubes are offset by 7.4 mm. The ends have no fillet.
Parameter Value Unit
side A length 25 mm
side A outer diameter 104 mm
side A thickness 4 mm
side B length 30 mm
side B outer diameter 89 mm
side B thickness 4 mm
transition length 20 mm
axis offset 7.4 mm
ends fillet no fillet
Straight sleeve ⌀102 mm to ⌀89 mm in STL 3D format. Total length of this connector is 75 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 30 mm. The two axes of the tubes are off-center by 6.4 mm. The ends are raw.
Parameter Value Unit
side A length 25 mm
side A outer diameter 102 mm
side A thickness 4 mm
side B length 30 mm
side B outer diameter 89 mm
side B thickness 4 mm
transition length 20 mm
axis offset 6.4 mm
ends fillet no fillet
Straight tube reducer ⌀104 mm to ⌀89 mm in STL format. Total length of this reducer is 70 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 25 mm as well. The two axes of the tubes are offset by 7.4 mm. The ends are raw.
Parameter Value Unit
side A length 25 mm
side A outer diameter 104 mm
side A thickness 4 mm
side B length 25 mm
side B outer diameter 89 mm
side B thickness 4 mm
transition length 20 mm
axis offset 7.4 mm
ends fillet no fillet
Tube reducer ⌀103 mm to ⌀61 mm in STL 3D format. Length of this connector is 100 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 30 mm, the smaller one of 30 mm as well. The two axes of the tubes are off-center by 10 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 103 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 61 mm
side B thickness 3 mm
transition length 40 mm
axis offset 10 mm
ends fillet no fillet
Tube adapter ⌀103 mm to ⌀75 mm in STL format. Total length of this coupler is 80 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 35 mm. The two axes of the tubes are off-center by 13.9 mm. The ends are raw.
Parameter Value Unit
side A length 25 mm
side A outer diameter 103 mm
side A thickness 4 mm
side B length 35 mm
side B outer diameter 75 mm
side B thickness 4 mm
transition length 20 mm
axis offset 13.9 mm
ends fillet no fillet
Diameter adapter ⌀104 mm to ⌀75 mm in STL 3D format. Length of this connector is 68 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 35 mm. The two axes of the tubes are offset by 13.9 mm. The ends are not rounded.
Parameter Value Unit
side A length 25 mm
side A outer diameter 104 mm
side A thickness 4 mm
side B length 35 mm
side B outer diameter 75 mm
side B thickness 4 mm
transition length 8 mm
axis offset 13.9 mm
ends fillet no fillet
Tube fitting ⌀97 mm to ⌀93 mm in STL format. Length of this junction is 80 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 30 mm, the smaller one of 30 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 97 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 93 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Inline tube junction ⌀117 mm to ⌀93 mm in STL format. Length of this junction is 70 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 25 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 25 mm
side A outer diameter 117 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 93 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Tube adapter ⌀120 mm to ⌀96 mm in STL 3D format. Length of this adapter is 100 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 60 mm. The axes of the tubes are offset by 11 mm. The ends are not rounded.
Parameter Value Unit
side A length 20 mm
side A outer diameter 120 mm
side A thickness 2 mm
side B length 60 mm
side B outer diameter 96 mm
side B thickness 2 mm
transition length 20 mm
axis offset 11 mm
ends fillet no fillet
Straight tube reducer ⌀103 mm to ⌀90 mm in STL format. Total length of this fitting is 90 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 40 mm. The ends have no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 103 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 90 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet
Tube adapter ⌀113 mm to ⌀98 mm in STL format. Length of this reducer is 75 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 25 mm as well. The ends are raw.
Parameter Value Unit
side A length 25 mm
side A outer diameter 113 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 98 mm
side B thickness 3 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet
Inline tube reducer ⌀104 mm to ⌀97 mm in STL 3D format. Final length of this coupler is 90 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 40 mm. The ends have no fillet.
Parameter Value Unit
side A length 20 mm
side A outer diameter 104 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 97 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet
Inline tubing adapter ⌀97 mm to ⌀80 mm in STL 3D format. Length of this connector is 70 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 30 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 97 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 80 mm
side B thickness 3 mm
transition length 10 mm
axis offset 0 mm
ends fillet no fillet
Tube adapter ⌀120 mm to ⌀96 mm in STL format. Final length of this reducer is 100 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 60 mm. The two axes of the tubes are offset by 11.9 mm. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 120 mm
side A thickness 2 mm
side B length 60 mm
side B outer diameter 96 mm
side B thickness 2 mm
transition length 20 mm
axis offset 11.9 mm
ends fillet no fillet
Tube fitting ⌀123 mm to ⌀92 mm in STL 3D format. Length of this connector is 70 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 25 mm as well. The ends are raw.
Parameter Value Unit
side A length 25 mm
side A outer diameter 123 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 92 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Straight tube reducer ⌀123 mm to ⌀93 mm in STL format. Total length of this connector is 70 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 25 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 25 mm
side A outer diameter 123 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 93 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet
Straight tube reducer ⌀126 mm to ⌀85 mm in STL format. Final length of this fitting is 71 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 27 mm, the smaller one of 31 mm. The ends are not rounded.
Parameter Value Unit
side A length 27 mm
side A outer diameter 126 mm
side A thickness 3 mm
side B length 31 mm
side B outer diameter 85 mm
side B thickness 3 mm
transition length 13 mm
axis offset 0 mm
ends fillet no fillet
Diameter adapter ⌀126 mm to ⌀91 mm in STL 3D format. Total length of this sleeve is 71 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 27 mm, the smaller one of 31 mm. The ends have no fillet.
Parameter Value Unit
side A length 27 mm
side A outer diameter 126 mm
side A thickness 3 mm
side B length 31 mm
side B outer diameter 91 mm
side B thickness 3 mm
transition length 13 mm
axis offset 0 mm
ends fillet no fillet
Inline fitting ⌀123 mm to ⌀92 mm in STL format. Length of this fitting is 75 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 25 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 25 mm
side A outer diameter 123 mm
side A thickness 3 mm
side B length 25 mm
side B outer diameter 92 mm
side B thickness 3 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet
Inline tube reducer ⌀110 mm to ⌀75 mm in STL 3D format. Length of this junction is 90 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 30 mm, the smaller one of 30 mm as well. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 110 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 75 mm
side B thickness 3 mm
transition length 30 mm
axis offset 0 mm
ends fillet no fillet
Inline tube junction ⌀116 mm to ⌀91 mm in STL 3D format. Final length of this connector is 108 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve length of 30 mm, the smaller one of 58 mm. The axes of the tubes are offset by 12.4 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 116 mm
side A thickness 4 mm
side B length 58 mm
side B outer diameter 91 mm
side B thickness 4 mm
transition length 20 mm
axis offset 12.4 mm
ends fillet no fillet